发明名称 |
ARM BLANK AND METHOD OF MANUFACTURING SAME |
摘要 |
An arm material for an upper arm or a lower arm is provided which constitutes a double wishbone suspension or the like of an automobile and which has a flat, hollow, closed cross-sectional shape and enables further decreases in size, decreases in weight, and increases in strength. An arm material for an automobile suspension has a body made from a parts material made by metal. The parts material made by metal has a flat, hollow, closed cross-sectional shape having a pair of opposing long sides and is formed from a single member in its lengthwise direction. The body has at least a first bent portion which is bent in a plane roughly parallel to the pair of long sides.
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申请公布号 |
EP2345549(A1) |
申请公布日期 |
2011.07.20 |
申请号 |
EP20090822880 |
申请日期 |
2009.10.19 |
申请人 |
SUMITOMO METAL INDUSTRIES, LTD. |
发明人 |
SHIMADA, NAOAKI;YOSHIDA, MICHITAKA |
分类号 |
B60G7/00;B21D7/08;B21D7/16;B21D53/88 |
主分类号 |
B60G7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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